1 files changed, 44 insertions, 0 deletions
diff --git a/test/Bitcode/thinlto-function-summary-callgraph.ll b/test/Bitcode/thinlto-function-summary-callgraph.ll
new file mode 100644
index 0000000000000..af38c3ef12178
--- /dev/null
+++ b/test/Bitcode/thinlto-function-summary-callgraph.ll
@@ -0,0 +1,44 @@
+; Test to check the callgraph in summary
+; RUN: opt -module-summary %s -o %t.o
+; RUN: llvm-bcanalyzer -dump %t.o | FileCheck %s
+; RUN: opt -module-summary %p/Inputs/thinlto-function-summary-callgraph.ll -o %t2.o
+; RUN: llvm-lto -thinlto -o %t3 %t.o %t2.o
+; RUN: llvm-bcanalyzer -dump %t3.thinlto.bc | FileCheck %s --check-prefix=COMBINED
+
+; CHECK:       <GLOBALVAL_SUMMARY_BLOCK
+; CHECK-NEXT:    <VERSION
+; See if the call to func is registered, using the expected callsite count
+; and value id matching the subsequent value symbol table.
+; CHECK-NEXT:    <PERMODULE {{.*}} op4=[[FUNCID:[0-9]+]] op5=1/>
+; CHECK-NEXT:  </GLOBALVAL_SUMMARY_BLOCK>
+; CHECK-NEXT:  <VALUE_SYMTAB
+; CHECK-NEXT:    <FNENTRY {{.*}} record string = 'main'
+; External function func should have entry with value id FUNCID
+; CHECK-NEXT:    <ENTRY {{.*}} op0=[[FUNCID]] {{.*}} record string = 'func'
+; CHECK-NEXT:  </VALUE_SYMTAB>
+
+; COMBINED:       <GLOBALVAL_SUMMARY_BLOCK
+; COMBINED-NEXT:    <VERSION
+; COMBINED-NEXT:    <COMBINED
+; See if the call to func is registered, using the expected callsite count
+; and value id matching the subsequent value symbol table.
+; COMBINED-NEXT:    <COMBINED {{.*}} op5=[[FUNCID:[0-9]+]] op6=1/>
+; COMBINED-NEXT:  </GLOBALVAL_SUMMARY_BLOCK>
+; COMBINED-NEXT:  <VALUE_SYMTAB
+; Entry for function func should have entry with value id FUNCID
+; COMBINED-NEXT:    <COMBINED_ENTRY {{.*}} op0=[[FUNCID]] op1=7289175272376759421/>
+; COMBINED-NEXT:    <COMBINED
+; COMBINED-NEXT:  </VALUE_SYMTAB>
+
+; ModuleID = 'thinlto-function-summary-callgraph.ll'
+target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
+target triple = "x86_64-unknown-linux-gnu"
+
+; Function Attrs: nounwind uwtable
+define i32 @main() #0 {
+entry:
+    call void (...) @func()
+    ret i32 0
+}
+
+declare void @func(...) #1